GSM-SOURCE W209 Pro V7.0 Smart Phone Battery fast charging and activated 2in1 Tool
Features :
- Volt-ammeter function.
- Charge status notice.
- High current overload protection.
- High current load protection.
- Voltage and current dual LED display.
- Full circuit reverse function.
- Battery voltage detection.
- One-key to activate the battery.
- Battery short circuit protection.
- A number of patent protection.
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